EP3503810A4 - Method and system for calibrating an imaging system - Google Patents

Method and system for calibrating an imaging system

Info

Publication number
EP3503810A4
EP3503810A4 EP17855027.3A EP17855027A EP3503810A4 EP 3503810 A4 EP3503810 A4 EP 3503810A4 EP 17855027 A EP17855027 A EP 17855027A EP 3503810 A4 EP3503810 A4 EP 3503810A4
Authority
EP
European Patent Office
Prior art keywords
system
calibrating
method
imaging system
imaging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP17855027.3A
Other languages
German (de)
French (fr)
Other versions
EP3503810A1 (en
Inventor
Weiping Liu
Xiaoyue Gu
Youjun Sun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen United Imaging Healthcare Co Ltd
Original Assignee
Shenzhen United Imaging Healthcare Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201621099638.6U priority Critical patent/CN206526057U/en
Priority to CN201611039000.8A priority patent/CN106618618A/en
Priority to CN201710308861.XA priority patent/CN107049352A/en
Application filed by Shenzhen United Imaging Healthcare Co Ltd filed Critical Shenzhen United Imaging Healthcare Co Ltd
Priority to PCT/CN2017/104779 priority patent/WO2018059577A1/en
Publication of EP3503810A1 publication Critical patent/EP3503810A1/en
Publication of EP3503810A4 publication Critical patent/EP3503810A4/en
Application status is Pending legal-status Critical

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/003Reconstruction from projections, e.g. tomography
    • G06T11/005Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computerised tomographs
    • A61B6/037Emission tomography
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/10Application or adaptation of safety means
    • A61B6/107Protection against radiation, e.g. shielding
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/42Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4275Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis using a detector unit almost surrounding the patient, e.g. more than 180°
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/44Constructional features of the device for radiation diagnosis
    • A61B6/4429Constructional features of the device for radiation diagnosis related to the mounting of source units and detector units
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/44Constructional features of the device for radiation diagnosis
    • A61B6/4429Constructional features of the device for radiation diagnosis related to the mounting of source units and detector units
    • A61B6/4452Constructional features of the device for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being able to move relative to each other
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/44Constructional features of the device for radiation diagnosis
    • A61B6/4476Constructional features of the device for radiation diagnosis related to servo controlled movement of the source unit
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/58Testing, adjusting or calibrating devices for radiation diagnosis
    • A61B6/582Calibration
    • A61B6/583Calibration using calibration phantoms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/58Testing, adjusting or calibrating devices for radiation diagnosis
    • A61B6/587Alignment of source unit to detector unit
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914Measurement of spatial distribution of radiation
    • G01T1/2985In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00Details of radiation-measuring instruments
    • G01T7/005Details of radiation-measuring instruments calibration techniques
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/003Reconstruction from projections, e.g. tomography
    • G06T11/008Specific post-processing after tomographic reconstruction, e.g. voxelisation, metal artifact correction
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/04Positioning of patients; Tiltable beds or the like
    • A61B6/0407Tables or beds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/04Positioning of patients; Tiltable beds or the like
    • A61B6/0457Servo-controlled positioning
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2210/00Indexing scheme for image generation or computer graphics
    • G06T2210/41Medical
EP17855027.3A 2016-09-30 2017-09-30 Method and system for calibrating an imaging system Pending EP3503810A4 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201621099638.6U CN206526057U (en) 2016-09-30 2016-09-30 A kind of radioactive source controller of medical imaging devices
CN201611039000.8A CN106618618A (en) 2016-11-21 2016-11-21 Radioactive source control device and method for medical imaging equipment
CN201710308861.XA CN107049352A (en) 2017-05-04 2017-05-04 PET data acquisition method, PET image reconstruction method and PET system
PCT/CN2017/104779 WO2018059577A1 (en) 2016-09-30 2017-09-30 Method and system for calibrating an imaging system

Publications (2)

Publication Number Publication Date
EP3503810A1 EP3503810A1 (en) 2019-07-03
EP3503810A4 true EP3503810A4 (en) 2019-08-14

Family

ID=61763269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17855027.3A Pending EP3503810A4 (en) 2016-09-30 2017-09-30 Method and system for calibrating an imaging system

Country Status (3)

Country Link
US (1) US20190156525A1 (en)
EP (1) EP3503810A4 (en)
WO (1) WO2018059577A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030178559A1 (en) * 2002-03-21 2003-09-25 Cti Pet Systems, Inc. Normalization apparatus for PET and SPECT scanners and method for using same
US20040195512A1 (en) * 2000-05-16 2004-10-07 Crosetto Dario B. Method and apparatus for anatomical and functional medical imaging
US20040206897A1 (en) * 2003-04-18 2004-10-21 Cti Pet Systems, Inc. Normalization apparatus for panel detector PET scanners
US20070176087A1 (en) * 2006-01-31 2007-08-02 Koninklijke Philips Electronics N.V. Component method and system for pet detector efficiency normalization

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014517277A (en) * 2011-05-12 2014-07-17 コーニンクレッカ フィリップス エヌ ヴェ List mode dynamic image reconstruction
RU2640787C2 (en) * 2012-08-10 2018-01-17 Конинклейке Филипс Н.В. Virtual frames for distribution time-of-flight data reconstruction in list mode with continuous table movement
US9297913B2 (en) * 2013-12-20 2016-03-29 General Electric Company Imaging system and method overcoming obstructions using independently controllable detectors
CN105411618B (en) * 2015-12-31 2018-11-09 上海联影医疗科技有限公司 The position adjusting method and system of radioactive source
CN206526057U (en) * 2016-09-30 2017-09-29 上海联影医疗科技有限公司 A kind of radioactive source controller of medical imaging devices
CN106618618A (en) * 2016-11-21 2017-05-10 上海联影医疗科技有限公司 Radioactive source control device and method for medical imaging equipment
CN107049352A (en) * 2017-05-04 2017-08-18 上海联影医疗科技有限公司 PET data acquisition method, PET image reconstruction method and PET system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040195512A1 (en) * 2000-05-16 2004-10-07 Crosetto Dario B. Method and apparatus for anatomical and functional medical imaging
US20030178559A1 (en) * 2002-03-21 2003-09-25 Cti Pet Systems, Inc. Normalization apparatus for PET and SPECT scanners and method for using same
US20040206897A1 (en) * 2003-04-18 2004-10-21 Cti Pet Systems, Inc. Normalization apparatus for panel detector PET scanners
US20070176087A1 (en) * 2006-01-31 2007-08-02 Koninklijke Philips Electronics N.V. Component method and system for pet detector efficiency normalization

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FALK PÃNISCH ET AL: "NOTE; Attenuation correction of four dimensional (4D) PET using phase-correlated 4D-computed tomography; Attenuation correction of 4D PET using phase-correlated 4D-computed tomography", PHYSICS IN MEDICINE AND BIOLOGY, INSTITUTE OF PHYSICS PUBLISHING, BRISTOL GB, vol. 53, no. 13, 7 July 2008 (2008-07-07), pages N259 - N268, XP020133911, ISSN: 0031-9155 *
See also references of WO2018059577A1 *

Also Published As

Publication number Publication date
US20190156525A1 (en) 2019-05-23
EP3503810A1 (en) 2019-07-03
WO2018059577A1 (en) 2018-04-05

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